Karina became Meisa's tutor and, being half-Japanese and raised overseas, she tends to get too close and often gives the wrong impression. Meisa is one of those people; she misinterprets Karina's attitude as having feelings for her and gradually starts showing her true lesbian nature. Still immature Meisa, not knowing how to approach women as a lesbian, decides to drug them with sleeping pills and assault them. Karina, who is always overcome by sleepiness during classes, unknowingly gets trained into a sensitive body for lesbian training...
